Clinical TrialsGrowth Hormone

CJC-1295 (No DAC) for Cognitive Enhancement

Research, mechanism, dosing, and effectiveness of CJC-1295 (No DAC) for cognitive enhancement.

Quick Answer

GH may support brain health and cognitive function.

Evidence Level

Human Trials

Typical Dose

100-200 mcg daily

Results Timeline

Cognitive effects over 4-8 weeks

FDA Status

Research Only

How CJC-1295 (No DAC) Works for Cognitive Enhancement

Growth hormone has effects on neuroplasticity.

About Cognitive Enhancement

Improvement of memory, focus, learning, and mental clarity.

Research Evidence

Phase II trial in HIV lipodystrophy patients was discontinued after a patient death (MI, deemed unrelated but trial ended as precaution). Earlier studies show sustained 2-10 fold increase in GH and IGF-1 levels with good tolerability at doses up to 60 mcg/kg.

Clinical Status:Investigational - Phase II trial discontinued. Removed from FDA Category 2 in Sept 2024 for PCAC review; expected reclassification to Category 1 (April 15, 2026 HHS announcement; remains Category 2 under current law until formal FDA rule; PCAC review July 23-24, 2026)

Dosing for Cognitive Enhancement

Recommended Dose

100-200 mcg daily

Frequency

Daily (no DAC) or 1-2x weekly (with DAC)

Administration

Subcutaneous injection

Duration

8-12 weeks

Note: No-DAC version requires daily dosing. DAC version has longer half-life. Often stacked with GHRP like Ipamorelin.

What to Expect

Week 1-2

Initial adjustment period. Some users may notice subtle changes.

Week 3-4

Early benefits often become noticeable. Continue consistent use.

Week 5-8

Most users report meaningful improvements by this point.

2-3 Months

Full effects typically realized. Reassess and adjust as needed.

Possible Side Effects

Not everyone experiences these. Individual responses vary.

  • Generally well-tolerated
  • Injection site reactions
  • Facial flushing
  • Headache
  • Water retention
  • Dizziness

Frequently Asked Questions

Does CJC-1295 (No DAC) help with cognitive enhancement?

GH may support brain health and cognitive function.

How does CJC-1295 (No DAC) work for cognitive enhancement?

Growth hormone has effects on neuroplasticity....

What dose of CJC-1295 (No DAC) should I use for cognitive enhancement?

100-200 mcg daily

How long until I see results?

Cognitive effects over 4-8 weeks